package com.zzty.taskapp.dao;

import java.util.ArrayList;
import java.util.List;

import com.zzty.taskapp.entity.ClassGroup;

public interface ClassGroupDAO {
	public List<ClassGroup> getGroupByClass(int classId);
	
	public void updateClassGroup(int id,String stu_ids);
	
	public void addGroup(int classId,String stu_ids);
	
	public ArrayList<Integer> getIdByClassId(int classid);
}
